Portable lifting apparatus



FIG. 1 is a front perspective view for a portable lifting apparatusshowing my new design;

FIG. 2 is a rear perspective view;

FIG. 3 is a top plan view;

FIG. 4 is a right side elevation view, the left side elevation viewbeing a mirror image of the right side elevation view; and,

FIG. 5 is a rear elevation view.

The ornamental design for a portable lifting apparatus, as shown anddescribed.